package com.hishop.util;

import java.math.BigDecimal;

/**
 * Created by hejie on 2017/7/21.
 */
public final class BigDecimalUtil {
    private BigDecimalUtil(){}

    public static BigDecimal add(double v1, double v2){
        BigDecimal b1=new BigDecimal(Double.toString(v1));
        BigDecimal b2=new BigDecimal(Double.toString(v2));
        return b1.add(b2);
    }

    public static BigDecimal subtract(double v1, double v2){
        BigDecimal b1=new BigDecimal(Double.toString(v1));
        BigDecimal b2=new BigDecimal(Double.toString(v2));
        return b1.subtract(b2);
    }

    public static BigDecimal multiply(double v1, double v2){
        BigDecimal b1=new BigDecimal(Double.toString(v1));
        BigDecimal b2=new BigDecimal(Double.toString(v2));
        return b1.multiply(b2);
    }

    public static BigDecimal divide(double v1, double v2){
        BigDecimal b1=new BigDecimal(Double.toString(v1));
        BigDecimal b2=new BigDecimal(Double.toString(v2));
        //四舍五入，保留2位小数
        return b1.divide(b2,2, BigDecimal.ROUND_HALF_UP);
    }
}
